Aim: To study the alkaloid constituents of Huperzia serrata (Thunb.) Trev..
Methods: Chromatographic methods were used for the isolation and purification. Structure was elucidated on the basis of chemical analysis and spectroscopic data.
Results: An alkaloid constituent was isolated from H. serrata (Thumb.) Trev..
Conclusion: The compound was found to be a novel phlegmariurine type alkaloid, named 8 beta-hydroxy phlegmariurine B.